using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace MoneyMap.Models;

public class Category
{
    [Key]
    public int Id { get; set; }

    [Required]
    [MaxLength(100)]
    public string Name { get; set; } = string.Empty;

    [MaxLength(500)]
    public string Description { get; set; } = string.Empty;

    [MaxLength(50)]
    public string Type { get; set; } = string.Empty; // e.g., "Expense", "Income", "Transfer"

    public bool IsDefault { get; set; } = false;

    public int? ParentCategoryId { get; set; }
    public Category? ParentCategory { get; set; }
    public ICollection<Category> Children { get; set; } = new List<Category>();

    public ICollection<RecurringPlace> RecurringPlaces { get; set; } = new List<RecurringPlace>();
    public ICollection<CategoryMapping> CategoryMappings { get; set; } = new List<CategoryMapping>();
    public ICollection<Transaction> Transactions { get; set; } = new List<Transaction>();

    [NotMapped]
    public string DisplayLabel => Name;
}